Description
DIY Handheld Metal Detector Kit with Dual LED & Buzzer Alarm
Ready to combine fun with fundamental electronics? 🧐 This Metal Detector Kit provides an exciting, hands-on opportunity to build your own security and search device. It’s a perfect gift for hobbyists and a fantastic learning tool for students.
What This Kit Offers
This DIY kit is more than a craft project — it’s an experience. Ideal for beginners, teachers, and hobbyists, it helps you:
- ✅ Practice **Through-Hole Soldering**
- ✅ Learn **Induction Coil Principles**
- ✅ Create a **Functional Metal Detector**
Specifications
- 📦 Kit Name: Metal Detector Manufacturing Kit
- 🛠️ Craft: Requires **Self-Welding/Soldering**
- ⚡ Working Voltage: 3V–5V DC (Uses two button batteries)
- 📏 PCB Size: 60 x 185mm
- ⚖️ Weight: 52g (Assembled PCB)
- 🔋 Current Draw: Static 3.7mA; Alarm ~23mA
⚠️ Power Supply Note
Please **Note: Two CR2032 button batteries are required but NOT included** in the kit. You will also need to supply your own welding/soldering tools.
Packing List
Each kit includes the full set of electronic components required for assembly:
- ✔ Metal Detector Electronic Kit (PCB and all parts)
Components include the main PCB, resistors, transistors, capacitors, LEDs, buzzer, power switch, and battery clips/holders.
Why Choose This Kit?
Unlike simple educational projects, this DIY kit results in a fully functional, small, and light device that’s easy to carry. With it, you can:
- ✔ Achieve a dual alarm for reliable detection: a **flashing red LED** and a **buzzer sound**.
- ✔ Use it for practical purposes like **security inspection** and searching bags for small metal products, such as mobile phones or controlled knives.
- ✔ Easily **adjust the alarm threshold** using the onboard potentiometer.
Furthermore, the maximum detection range is 3-5cm, increasing with the size of the metal object. This kit is perfect for home crafting, group workshops, or as a thoughtful gift.
Shipping & Delivery
We ship worldwide with reliable and fast delivery. Most customers receive their kit within two weeks.
| Country | Estimated Delivery |
|---|---|
| US | 8–14 days [cite: 3] |
| GB | 7–12 days [cite: 3] |
| DE | 7–13 days [cite: 3] |
| AU | 8–15 days [cite: 3] |
| CA | 7–12 days [cite: 3] |
| JP | 4–7 days [cite: 3] |
Learn More & Resources
- 🔗 SparkFun – Learn about Electronics & Soldering
- 🔗 Electronics Tutorials – Detailed Theory & Concepts
- 🔗 EEWeb – Metal Detector Circuit Information
Instruction Manual
📘 Step-by-step assembly instructions and a detailed installation video tutorial are provided.
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